package kr.hkit.powerjava.chapter22.collection;

import java.util.HashMap;
import java.util.Map;

import kr.hkit.powerjava.chapter22.work2.vo.Student;

public class MapTest {
	public static void main(String[] args) {
		Map<Integer,Student> map= new HashMap<>();
		map.put(1, new Student(1, "김태희", 90, 90, 90));
		map.put(2, new Student(2, "이민정", 80, 79, 65));
		map.put(3, new Student(3, "홍길동", 80, 79, 65));
		
		//map.remove(1);//키 값을 조정한다
		System.out.println(map);
		for(Map.Entry<Integer, Student>s:map.entrySet()){;//iterator과 같다
		 int key=s.getKey();
		 Student std= s.getValue();
		 System.out.println("key:"+key+"value"+std);
		}
	}
}
